St. Hilaire, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for St. Hilaire, a city in Pennington County, Minnesota.
Today
48°F
Slight Chance Light Rain then Cloudy
A slight chance of rain between 8am and 9am. Cloudy, with a high near 48. North wind around 17 mph, with gusts as high as 28 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for St. Hilaire
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 48°F | Slight Chance Light Rain then Cloudy | 17 mph N | 15% |
| Tonight | 32°F | Mostly Cloudy | 16 mph N | 0% |
| Thursday | 40°F | Mostly Cloudy | 8 to 15 mph NNE | 0% |
| Thursday Night | 21°F | Partly Cloudy | 6 mph E | 0% |
| Friday | 42°F | Sunny | 5 to 12 mph S | 0% |
| Friday Night | 27°F | Partly Cloudy | 10 mph S | 0% |
| Saturday | 50°F | Mostly Sunny | 10 to 15 mph SW | 8% |
| Saturday Night | 32°F | Partly Cloudy | 7 to 13 mph W | 5% |
| Sunday | 50°F | Mostly Sunny | 7 to 10 mph WSW | 0% |
| Sunday Night | 34°F | Mostly Cloudy | 7 to 10 mph SSW | 0% |
| Monday | 54°F | Mostly Sunny | 10 to 17 mph W | 1% |
| Monday Night | 31°F | Partly Cloudy | 5 to 10 mph WNW | 1% |
| Tuesday | 48°F | Mostly Sunny | 5 to 9 mph W | 2% |
| Tuesday Night | 31°F | Partly Cloudy | 6 mph SSW | 2% |
Forecast source: National Weather Service (api.weather.gov) for St. Hilaire (48.013, -96.214). Updated through the day.
Growing snapshot for St. Hilaire
Last spring frost
May 9
First fall frost
Sep 30
Growing season
142 days
Hardiness zone
3b
More local growing data for St. Hilaire: nearby ZIP 56754 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Red Lake Falls, Mn (8.5 mi from St. Hilaire). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.